---
id: CVE-2026-114098
title: Dulwich 0.22.5 before 1.2.8 Path Traversal via Stash Pop Symlinks
summary: >-
  Dulwich from 0.22.5 before 1.2.8 contains a path traversal vulnerability in
  stash.py pop() that allows attackers to write arbitrary files outside the
  worktree through intermediate directory symlinks. Attackers can craft a
  malicious repos…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-22
vendor: jelmer
product: dulwich
affected:
  - dulwich >= 0.22.5 < 1.2.8
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T00:37:01.150Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-114098'
references:
  - url: 'https://github.com/jelmer/dulwich/security/advisories/GHSA-cm62-gvxx-vmxx'
    label: GitHub Security Advisory (GHSA-cm62-gvxx-vmxx)
  - url: >-
      https://www.vulncheck.com/advisories/dulwich-0.22.5-before-1.2.8-path-traversal-via-stash-pop-symlinks
    label: >-
      VulnCheck Advisory: Dulwich 0.22.5 before 1.2.8 Path Traversal via Stash
      Pop Symlinks
tags:
  - cve.org
ingestedAt: '2026-10-21T01:37:08.016Z'
---

## Overview

Dulwich from 0.22.5 before 1.2.8 contains a path traversal vulnerability in stash.py pop() that allows attackers to write arbitrary files outside the worktree through intermediate directory symlinks. Attackers can craft a malicious repository whose popped stash writes a payload into .git/hooks/post-checkout, achieving code execution on the next checkout.

## Affected

- `dulwich >= 0.22.5 < 1.2.8`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.